From: yomguy <>
Date: Wed, 27 Aug 2008 18:49:41 +0000 (+0000)
Subject: * Add vamp plugin analysis driver
X-Git-Tag: 1.1~810
X-Git-Url: https://git.parisson.com/?a=commitdiff_plain;h=1cad454053ecefcd88287aa5b6979ae1942a2a2d;p=telemeta.git
* Add vamp plugin analysis driver
* Add new dependencies
---
diff --git a/debian/control b/debian/control
index 6ea6f3f8..4420dcbb 100644
--- a/debian/control
+++ b/debian/control
@@ -8,7 +8,7 @@ Standards-Version: 3.7.3
Package: telemeta
Architecture: any
-Depends: ${python:Depends}, python-xml, python-mutagen, python-django (>= 0.96.2), sox, vorbis-tools, flac, normalize-audio, python-mysqldb, mysql-server, octave2.9, python-tk, libgd2-xpm, libsndfile1, python-numpy, python-ctypes (>= 1.0.1), libsndfile1
+Depends: ${python:Depends}, python-xml, python-mutagen, python-django (>= 0.96.2), sox, vorbis-tools, flac, normalize-audio, python-mysqldb, mysql-server, octave2.9, python-tk, libgd2-xpm, libsndfile1, python-numpy, python-ctypes (>= 1.0.1), vamp-examples
Recommends: lame
Suggests: ecasound, festival, par2
Description: web frontend to backup, transcode and tag any audio content with metadata
diff --git a/telemeta/analysis/api.py b/telemeta/analysis/api.py
index b13107c0..34fe7ef9 100644
--- a/telemeta/analysis/api.py
+++ b/telemeta/analysis/api.py
@@ -25,5 +25,5 @@ class IMediaItemAnalyzer(Interface):
"""
def render(media_item, options=None):
- """Return a list containing data results of the process"""
+ """Return the result data of the process"""
diff --git a/telemeta/analysis/vamp/__init__.py b/telemeta/analysis/vamp/__init__.py
new file mode 100644
index 00000000..80988760
--- /dev/null
+++ b/telemeta/analysis/vamp/__init__.py
@@ -0,0 +1 @@
+from telemeta.analysis.vamp.core import *
diff --git a/telemeta/analysis/vamp/core.py b/telemeta/analysis/vamp/core.py
new file mode 100644
index 00000000..cd39a5b1
--- /dev/null
+++ b/telemeta/analysis/vamp/core.py
@@ -0,0 +1,110 @@
+
+from telemeta.core import *
+from django.conf import settings
+from tempfile import NamedTemporaryFile
+from telemeta.analysis.api import IMediaItemAnalyzer
+import os
+import random
+import subprocess
+import signal
+import time
+
+class VampCoreAnalyzer():
+ """Parent class for Vamp plugin drivers"""
+
+ def __init__(self):
+ self.vamp_path = '/usr/lib/vamp/'
+ # needs vamp-examples package
+ self.host = 'vamp-simple-host'
+ self.buffer_size = 0xFFFF
+
+ def get_id(self):
+ return "vamp_plugins"
+
+ def get_name(self):
+ return "Vamp plugins"
+
+ def get_unit(self):
+ return ""
+
+ def get_plugins_list(self):
+ if os.path.exists(self.vamp_path):
+ args = ' --list-outputs'
+ command = self.host + args
+ #tmp_file = NamedTemporaryFile()
+ data = self.core_process(command, self.buffer_size)
+ text = ''
+ plugins = []
+ for chunk in data:
+ text = text + chunk
+ lines = text.split('\n')
+ for line in lines:
+ if line != '':
+ struct = line.split(':')
+ struct = struct[1:]
+ plugins.append(struct)
+ return plugins
+ else:
+ return []
+
+ def get_wav_path(self, media_item):
+ return settings.MEDIA_ROOT + '/' + media_item.file
+ #return media_item
+
+ def render(self, plugin, media_item):
+ self.wavFile = self.get_wav_path(media_item)
+ args = ' -s ' + ':'.join(plugin) + ' ' + str(self.wavFile)
+ command = command = self.host + args
+ data = self.core_process(command, self.buffer_size)
+ string = ''
+ values = {}
+ for chunk in data:
+ string = string + chunk
+ lines = string.split('\n')
+ for line in lines:
+ if line != '':
+ struct = line.split(':')
+ values[struct[0]] = struct[1]
+ return values
+
+ def core_process(self, command, buffer_size):
+ """Encode and stream audio data through a generator"""
+
+ __chunk = 0
+
+ try:
+ proc = subprocess.Popen(command,
+ shell = True,
+ bufsize = buffer_size,
+ stdin = subprocess.PIPE,
+ stdout = subprocess.PIPE,
+ close_fds = True)
+ except:
+ raise VampProcessError('Command failure:', command, proc)
+
+ # Core processing
+ while True:
+ __chunk = proc.stdout.read(buffer_size)
+ status = proc.poll()
+ if status != None and status != 0:
+ raise VampProcessError('Command failure:', command, proc)
+ if len(__chunk) == 0:
+ break
+ yield __chunk
+
+
+class VampProcessError(TelemetaError):
+
+ def __init__(self, message, command, subprocess):
+ self.message = message
+ self.command = str(command)
+ self.subprocess = subprocess
+
+ def __str__(self):
+ if self.subprocess.stderr != None:
+ error = self.subprocess.stderr.read()
+ else:
+ error = ''
+ return "%s ; command: %s; error: %s" % (self.message,
+ self.command,
+ error)
diff --git a/telemeta/templates/mediaitem_detail.html b/telemeta/templates/mediaitem_detail.html
index 83d5ac0c..849a1fff 100644
--- a/telemeta/templates/mediaitem_detail.html
+++ b/telemeta/templates/mediaitem_detail.html
@@ -44,10 +44,10 @@
{{v.name}}
{% endfor %}
-
+
-
-
+
+
| Parameter |
@@ -68,13 +68,28 @@
{% endfor %}
+
+
+
+